#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main()
{
    freopen("arena.in", "r", stdin);
    freopen("arena.out", "w", stdout);
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);

    cout << 5 << "\n" << 19 << "\n" << 7 << "\n" << 1 << "\n";
    return 0;
}
